Home / 1,478,834.64-2,040,295.50-1,206,431.64

Finding the Fourth Proportional to 1,478,834.64, 2,040,295.50 and 1,206,431.64

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Solution

The fourth proportional to 1,478,834.64, 2,040,295.50 and 1,206,431.64 is: 1,664,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,834.64 : 2,040,295.50 = 1,206,431.64 : x
  2. Step 2: Convert to fraction form
    1,478,834.64/2,040,295.50 = 1,206,431.64/x
  3. Step 3: Cross multiply
    1,478,834.64x = 2,040,295.50 × 1,206,431.64
  4. Step 4: Simplify right side
    1,478,834.64x = 2,461,477,046,149.62
  5. Step 5: Solve for x
    x = 2,461,477,046,149.62/1,478,834.64
  6. Step 6: Final answer
    x = 1,664,470.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.